Home / 86,180.36-118,940.24-48,461.88

Finding the Fourth Proportional to 86,180.36, 118,940.24 and 48,461.88

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Solution

The fourth proportional to 86,180.36, 118,940.24 and 48,461.88 is: 66,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.36 : 118,940.24 = 48,461.88 : x
  2. Step 2: Convert to fraction form
    86,180.36/118,940.24 = 48,461.88/x
  3. Step 3: Cross multiply
    86,180.36x = 118,940.24 × 48,461.88
  4. Step 4: Simplify right side
    86,180.36x = 5,764,067,638.05
  5. Step 5: Solve for x
    x = 5,764,067,638.05/86,180.36
  6. Step 6: Final answer
    x = 66,883.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.